Sep 11, 2025Leave a message

What is the bubble film production process flow of a bubble film make machine?

Hey there! As a supplier of Bubble Film Make Machines, I'm super excited to walk you through the bubble film production process flow of these amazing machines. It's a pretty cool journey from raw materials to the final bubble wrap product, and I can't wait to share it with you.

1. Raw Material Preparation

First things first, we need to gather the right raw materials. The main ingredient for bubble film is usually polyethylene (PE) resin. This resin comes in small pellet form. The quality of the PE resin is crucial as it directly affects the strength, clarity, and durability of the final bubble film.

We source high - quality PE resin from reliable suppliers. Different grades of PE can be used depending on the specific requirements of the bubble film. For example, if we're making bubble film for heavy - duty packaging, we might choose a higher - density PE resin.

2. Feeding the Machine

Once we have the raw materials ready, it's time to feed them into the Bubble Film Make Machine. The machine has a hopper where we pour the PE resin pellets. The hopper is designed to ensure a steady and consistent flow of the pellets into the next stage of the process.

The feeding system is automated, which helps in maintaining the right amount of resin being fed into the machine at all times. This is important because if too much or too little resin is fed, it can affect the quality of the bubble film.

3. Melting and Extrusion

After the resin pellets enter the machine, they are transported to the heating section. Here, the machine heats the resin to a specific temperature, usually around 180 - 220 degrees Celsius. At this temperature, the PE resin melts and turns into a viscous liquid.

The melted resin then goes through an extruder. The extruder is like a big screw that pushes the molten resin through a die. The die is a specially designed tool that gives the bubble film its shape. It has a circular or rectangular opening through which the molten resin is forced out, forming a continuous tube or sheet of molten plastic.

4. Bubble Formation

This is the most exciting part of the process! Once the molten plastic comes out of the die, it passes through a bubble - forming section. In this section, air is injected into the molten plastic at regular intervals. The air forms small bubbles within the plastic film.

The size and spacing of the bubbles can be adjusted according to the customer's requirements. For example, if the bubble film is going to be used for delicate items, we might make smaller bubbles with closer spacing. On the other hand, for heavier items, larger bubbles with wider spacing can be more suitable.

The machine uses a series of rollers and air nozzles to control the bubble formation process. The rollers help in stretching and shaping the plastic film while the air nozzles inject the air at the right time and pressure.

5. Cooling and Solidification

After the bubbles are formed, the bubble film needs to cool down and solidify. The machine has a cooling system, usually consisting of water - cooled rollers or air blowers. The cooling process is crucial as it determines the final properties of the bubble film.

If the cooling is too fast, the bubble film might become brittle. If it's too slow, the bubbles might collapse or the film might not have the right shape. So, the cooling system is carefully calibrated to ensure the perfect balance.

6. Trimming and Cutting

Once the bubble film is cooled and solidified, it might have some uneven edges. The next step is to trim these edges to make the film look neat and professional. The machine has a trimming device that cuts off the excess plastic along the sides of the film.

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After trimming, the bubble film is cut into the desired lengths. This can be done using a cutting blade or a saw, depending on the thickness and type of the bubble film. The cutting process is also automated, ensuring accurate and consistent cuts.

7. Winding and Packaging

The final step in the production process is winding the bubble film onto a roll. The machine has a winding system that carefully rolls up the bubble film onto a core. The winding speed and tension are controlled to ensure that the roll is tight and uniform.

Once the bubble film is wound onto the roll, it is ready for packaging. We usually wrap the rolls in plastic or paper to protect them during transportation and storage.

Why Choose Our Bubble Film Make Machines

Our Bubble Film Make Machine is designed with the latest technology to ensure high - quality bubble film production. It's easy to operate, energy - efficient, and has a long service life. Whether you're a small - scale business or a large - scale manufacturer, our machines can meet your production needs.

We also offer excellent after - sales service and technical support. Our team of experts is always ready to help you with any questions or issues you might have with the machine.

Contact Us for Purchase and Negotiation

If you're interested in purchasing a Bubble Film Make Machine, we'd love to hear from you. Whether you have questions about the machine's features, pricing, or need more information about the production process, feel free to reach out to us. We can have a detailed discussion about your requirements and see how our machines can fit into your business.

References

  • "Plastics Extrusion Technology Handbook" by Allan A. Griff.
  • Industry research reports on bubble film production.

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